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11 questions from this quiz
Hydrocarbons
A \ceC=C\ce{C=C}\ceC=C double bond
By cracking long-chain alkanes
Unsaturated
\ceCnH2n\ce{C_nH_{2n}}\ceCnH2n
\ceC2H4\ce{C_2H_4}\ceC2H4
It turns from orange to colourless
It stays orange
More reactive
The double bond can break easily
Fewer hydrogen atoms
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